MD5 basic transformation. Transforms state based on block. */
| 251 | /* MD5 basic transformation. Transforms state based on block. |
| 252 | */ |
| 253 | static void MD5Transform (UINT4 state[4], const unsigned char block[64]) |
| 254 | { |
| 255 | UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; |
| 256 | |
| 257 | Decode (x, block, 64); |
| 258 | |
| 259 | /* Round 1 */ |
| 260 | FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ |
| 261 | FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ |
| 262 | FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ |
| 263 | FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ |
| 264 | FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ |
| 265 | FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ |
| 266 | FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ |
| 267 | FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ |
| 268 | FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ |
| 269 | FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ |
| 270 | FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ |
| 271 | FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ |
| 272 | FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ |
| 273 | FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ |
| 274 | FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ |
| 275 | FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ |
| 276 | |
| 277 | /* Round 2 */ |
| 278 | GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ |
| 279 | GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ |
| 280 | GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ |
| 281 | GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ |
| 282 | GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ |
| 283 | GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ |
| 284 | GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ |
| 285 | GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ |
| 286 | GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ |
| 287 | GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ |
| 288 | GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ |
| 289 | GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ |
| 290 | GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ |
| 291 | GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ |
| 292 | GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ |
| 293 | GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ |
| 294 | |
| 295 | /* Round 3 */ |
| 296 | HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ |
| 297 | HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ |
| 298 | HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ |
| 299 | HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ |
| 300 | HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ |
| 301 | HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ |
| 302 | HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ |
| 303 | HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ |
| 304 | HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ |
| 305 | HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ |
| 306 | HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ |
| 307 | HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ |
| 308 | HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ |
| 309 | HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ |
| 310 | HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ |
no test coverage detected